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Network Engineer
HCL SINGAPORE PTE. LTD.Singapore2 days ago
Job descriptionBachelor's degree in Computer Science, Information Technology, or related field. 5+ years of experience in network security engineering or a similar role. Proven experience with Zscaler technologies (ZIA, ZPA). Strong expertise in Blue Coat / Symantec ProxySG , including policy configuration and troubleshooting. Knowledge of network protocols (TCP / IP, HTTP, SSL, DNS). Familiarity with firewalls, routing, switching, and other security appliances. Experience with security incident handling and response. Scripting knowledge (Python, PowerShell, or Bash) is a plus. Strong analytical, communication, and documentation skills. Zscaler Certified Professional (ZCP) or Symantec Blue Coat certifications. Experience with SD-WAN, VPN technologies, and cloud networking. Familiarity with SIEM tools and logging systems (Splunk, QRadar, etc.).
Key Responsibilities :
- Design, implement, and maintain secure web gateway solutions using Zscaler and Blue Coat technologies.
- Configure and manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments.
- Administer and troubleshoot Blue Coat ProxySG and Content Analysis Systems.
- Monitor, analyze, and improve the performance and security of the network and proxy infrastructure.
- Work closely with the security and infrastructure teams to enforce security policies and ensure compliance.
- Perform root cause analysis on proxy and internet access-related issues.
- Manage change requests and incident resolution following ITIL processes.
- Document architecture, configurations, and standard operating procedures.
- Provide technical support and guidance to users and IT teams on Zscaler and Blue Coat-related issues.
Job Requirements :
Nice-to-Have :
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Network Engineer • Singapore